<template>
  <div>
    <el-row
      type="flex"
      justify="center"
      style="padding-top: 30px; background: #fcf8e3"
    >
      <el-form
        :rules="rules"
        ref="formData"
        :model="formData"
        label-width="100px"
        style="width: 400px"
        status-icon
      >
        <el-form-item label="原密码：" prop="oldPassword">
          <el-input
            type="password"
            placeholder="请输入原密码"
            v-model="formData.oldPassword"
          ></el-input>
        </el-form-item>
        <el-form-item label="新密码：" prop="newPassword">
          <el-input
            type="password"
            placeholder="请输入新密码"
            v-model="formData.newPassword"
          ></el-input>
        </el-form-item>
        <el-form-item label="确认密码：" prop="repPassword">
          <el-input
            type="password"
            placeholder="请输入确认密码"
            v-model="formData.repPassword"
          ></el-input>
        </el-form-item>
        <el-form-item align="center">
          <el-button
            size="mini"
            type="primary"
            :loading="loading"
            @click="submitForm('formData')"
            >确 定</el-button
          >
        </el-form-item>
      </el-form>
    </el-row>
  </div>
</template>
<script>
export default {
  // 接收父组件传递的属性
  props: {
    loading: {
      // 是否点击确定按钮
      type: Boolean,
      default: false,
    },
    formData: {
      type: Object,
      default: () => {
        return {
          userId: "",
          oldPassword: "",
          newPassword: "",
          repPassword: "",
        };
      },
    },
  },

  methods: {
    //提交表单
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          // 校验通过，提交数据
          this.$emit("submitForm");
        } else {
          // 验证不通过
          return false;
        }
      });
    },
  },

  data() {
    // 在 return 上面进行申明自定校验
    const validateOldPassword = (rule, value, callback) => {
      if (!value || value.length < 6) {
        callback(new Error("请输入正确的原密码"));
      }
      // 发送请求校验原密码
      const data = {
        userId: this.$store.state.userInfo.uid,
        oldPassword: value,
      };
      this.$checkOldPassword(data)
        .then((response) => {
          // 校验通过
          if (response.code === 20000) {
            callback();
          } else {
            callback(new Error(response.message));
          }
        })
        .catch((error) => {
          // 校验失败
          callback(new Error("原密码校验异常，请稍后重试"));
        });
    };

    // 校验新密码
    const validatePassword = (rule, value, callback) => {
      // console.log('value', value)
      if (value.length < 6) {
        callback(new Error("新密码不能少于6位"));
      } else {
        callback();
      }
    };

    // 校验确认密码是否一致
    const validateRepPassword = (rule, value, callback) => {
      if (value !== this.formData.newPassword) {
        callback(new Error("两次输入的密码不一致"));
      } else {
        callback();
      }
    };

    return {
      // 校验
      rules: {
        oldPassword: [
          { required: true, message: "原密码不能为空", trigger: "blur" },
          { validator: validateOldPassword, trigger: "blur" },
        ],
        newPassword: [
          { required: true, message: "新密码不能为空", trigger: "blur" },
          { validator: validatePassword, trigger: "blur" },
        ],
        repPassword: [
          { required: true, message: "确认密码不能为空", trigger: "blur" },
          { validator: validateRepPassword, trigger: ["change", "blur"] },
        ],
      },
    };
  },
};
</script>

